Beskrivning : The Gravity Recovery And Climate Experiment (GRACE), a joint mission of NASA and the German Aerospace Center, has been making detailed measurements of Earth`s gravity field anomalies since its launch.
By measuring gravity anomalies, GRACE shows how mass is distributed around the planet and how it varies over time. Data from the GRACE satellites is an important tool for studying Earth`s ocean, geology, and climate.
Plesetsk post stamps.

ba 861 - image retouchée ?

Sida : future · Ref: USA 2662 

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Rymdhändelse :

GRACE 1 (TOM) & GRACE 2 (JERRY) (SATELLITES) · ROKOT KM